You have chosen 'Presidential Address of Am. Math. Soc' by Oswald Veblen, 'Reference and Generality (3rd ed)' by Peter Geach and 'A Theory of Conditionals' by Robert C. Stalnaker
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Modality, or select a subheading: |
| A. | Necessity | |
| B. | Possibility | |
| C. | Sources of Modality | |
| D. | Knowledge of Modality | |
| E. | Possible worlds |